Home / 1,579,176.40-2,179,241.40-900,124.24

Finding the Fourth Proportional to 1,579,176.40, 2,179,241.40 and 900,124.24

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Solution

The fourth proportional to 1,579,176.40, 2,179,241.40 and 900,124.24 is: 1,242,158.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,579,176.40 : 2,179,241.40 = 900,124.24 : x
  2. Step 2: Convert to fraction form
    1,579,176.40/2,179,241.40 = 900,124.24/x
  3. Step 3: Cross multiply
    1,579,176.40x = 2,179,241.40 × 900,124.24
  4. Step 4: Simplify right side
    1,579,176.40x = 1,961,588,008,951.54
  5. Step 5: Solve for x
    x = 1,961,588,008,951.54/1,579,176.40
  6. Step 6: Final answer
    x = 1,242,158.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.